Backport of "update validate.test.h265parse.alternate test" into 1.18
requested to merge tpm/gst-integration-testsuites:backport-mr-1655-into-1.18-fix-alternate into 1.18
Backport of !87 (merged) "update validate.test.h265parse.alternate test".
Commits:
- e0db5caa update validate.test.h265parse.alternate test